Process Control and Instrumentation Continuous measurement of moisture content of paper in paper industry is done by measuring the Magnetic susceptibility Electrical resistance through the paper Thermal conductivity through the paper None of these Magnetic susceptibility Electrical resistance through the paper Thermal conductivity through the paper None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A first order system with unity gain and time constant τ is subjected to a sinusoidal input of frequency w = 1/τ. The amplitude ratio for this system is 0.25 1/√2 1 0.5 0.25 1/√2 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Typical specifications for design stipulates the gain margin and phase margin to be respectively > 1.7 and < 30° < 1.7 and < 30° < 1.7 and > 30° > 1.7 and > 30° > 1.7 and < 30° < 1.7 and < 30° < 1.7 and > 30° > 1.7 and > 30° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Positioning controllers are used for Low loads Temperature changes High loads Flow rate changes Low loads Temperature changes High loads Flow rate changes ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples has the widest temperature measurement range? Platinum-platinum/rhodium Iron-constantan Copper-constantan Chromel-alumel Platinum-platinum/rhodium Iron-constantan Copper-constantan Chromel-alumel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Time constant is the Time required by the measured variable to reach 63.2% of its ultimate change Same as dead time Same as transportation lag Time taken by the controlled variable to reach 63.2% of its full change Time required by the measured variable to reach 63.2% of its ultimate change Same as dead time Same as transportation lag Time taken by the controlled variable to reach 63.2% of its full change ANSWER DOWNLOAD EXAMIANS APP
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